Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At very slow speed At average speed At zero speed At very high speed At very slow speed At average speed At zero speed At very high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is essentially an isentropic process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Is used when gas is to be burnt Provides greater flexibility In never used Provides lesser flexibility Is used when gas is to be burnt Provides greater flexibility In never used Provides lesser flexibility ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Does not change First decrease and then increase Increases Decreases Does not change First decrease and then increase Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Decreases Increases First decreases and then increases First increases and then decreases Decreases Increases First decreases and then increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at 20°C and 1 kg/cm² and relative humidity 36% 15°C and 1 kg/cm² 0°C and standard atmospheric conditions Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity 36% 15°C and 1 kg/cm² 0°C and standard atmospheric conditions Atmospheric conditions at any specific location ANSWER DOWNLOAD EXAMIANS APP
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